Home / 5,457.57-7,531.45-3,099.71

Finding the Fourth Proportional to 5,457.57, 7,531.45 and 3,099.71

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Solution

The fourth proportional to 5,457.57, 7,531.45 and 3,099.71 is: 4,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.57 : 7,531.45 = 3,099.71 : x
  2. Step 2: Convert to fraction form
    5,457.57/7,531.45 = 3,099.71/x
  3. Step 3: Cross multiply
    5,457.57x = 7,531.45 × 3,099.71
  4. Step 4: Simplify right side
    5,457.57x = 23,345,265.47
  5. Step 5: Solve for x
    x = 23,345,265.47/5,457.57
  6. Step 6: Final answer
    x = 4,277.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.